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EMQ, the world's leading provider of open-source MQTT messaging and IoT data infrastructure, today announced the Preview launch of EMQX Tables, a fully managed time-series database natively integrated ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

Imagine having round-the-clock access to fresh, up-to-date information on a topic you care about—automatically collected, stored in the cloud, and available to anyone you choose. That’s exactly what ...

While temporal data support is something that has existed in the past within other database platforms, it is a newly available feature with the RTM version of SQL Server 2016. In case you haven’t ...

Write code that maps a Ruby class to a database table Write code that inserts data regarding an instance of a class into a database table row Why map classes to tables? Our end goal is to persist ...

The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...